Global Patent Index - EP 1042382 A1

EP 1042382 A1 2000-10-11 - CYCLIC UREA-FORMALDEHYDE PREPOLYMER FOR USE IN PHENOL-FORMALDEHYDE AND MELAMINE-FORMALDEHYDE RESIN-BASED BINDERS

Title (en)

CYCLIC UREA-FORMALDEHYDE PREPOLYMER FOR USE IN PHENOL-FORMALDEHYDE AND MELAMINE-FORMALDEHYDE RESIN-BASED BINDERS

Title (de)

CYCLISCHES HARNSTOFF-FORMALDEHYD PREPOLYMER ZUR VERWENDUNG IN BINDEMITTEL BASIEREND AUF PHENOL-FORMALDEHYD- UND MELAMIN-FORMALDEHYD-HARZEN

Title (fr)

PREPOLYMERE UREE-FORMALDEHYDE CYCLIQUE S'UTILISANT DANS DES LIANTS A BASE DE RESINE PHENOL-FORMALDEHYDE ET MELAMINE-FORMALDEHYDE

Publication

EP 1042382 A1 (EN)

Application

EP 98963255 A

Priority

  • US 9826922 W
  • US 6828697 P
  • US 9524998 P
  • US 21574298 A

Abstract (en)

[origin: WO9932534A1] The preparation of phenol-formaldehyde and melamine-formaldehyde resin-based binders extended with a cyclic urea-formaldehyde prepolymer and to products prepared using the binders. More particularly, the invention relates to cyclic urea prepolymer comprising urea, formaldehyde, and ammonia or a primary amine which, when added to a phenol-formaldehyde or melamine-formaldehyde based resin, results in a useful binder for the manufacturer numerous articles.

IPC 1-7 (main, further and additional classification)

C08G 12/40; C08G 14/12; C08L 61/06; C08L 61/28

IPC 8 full level (invention and additional information)

C08G 12/42 (2006.01); C08G 14/12 (2006.01); C08L 61/06 (2006.01); C08L 61/10 (2006.01); C08L 61/28 (2006.01); C08L 75/02 (2006.01)

CPC (invention and additional information)

C08L 61/06 (2013.01); C08G 12/422 (2013.01); C08G 14/12 (2013.01); C08L 61/28 (2013.01); C08L 75/02 (2013.01); Y10T 428/12146 (2013.01); Y10T 428/12153 (2013.01); Y10T 428/31862 (2015.04); Y10T 428/31873 (2015.04); Y10T 428/31877 (2015.04); Y10T 428/31895 (2015.04); Y10T 428/31957 (2015.04)

Combination set (CPC)

  1. C08L 61/06 + C08L 61/20
  2. C08L 61/06 + C08L 2666/20
  3. C08L 61/28 + C08L 61/20
  4. C08L 61/28 + C08L 2666/20

Citation (search report)

See references of WO 9932534A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family

WO 9932534 A1 19990701; AR 015503 A1 20010502; AT 238363 T 20030515; AU 1831399 A 19990712; BR 9813809 A 20001003; CO 4870713 A1 19991227; DE 69813887 D1 20030528; DE 69813887 T2 20040122; DK 1042382 T3 20030818; EP 1042382 A1 20001011; EP 1042382 B1 20030423; ES 2198782 T3 20040201; US 2001000237 A1 20010412; US 6114491 A 20000905; US 6245438 B1 20010612; US 6369171 B2 20020409